Update cheatsheets

tldr/az-disk

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# az disk
+
+> Manage Azure Managed Disks.
+> Part of `azure-cli` (also known as `az`).
+> More information: <https://learn.microsoft.com/cli/azure/disk>.
+
+- Create a managed disk:
+
+`az disk create --resource-group {{resource_group}} --name {{disk_name}} --size-gb {{size_in_gb}}`
+
+- List managed disks in a resource group:
+
+`az disk list --resource-group {{resource_group}}`
+
+- Delete a managed disk:
+
+`az disk delete --resource-group {{resource_group}} --name {{disk_name}}`
+
+- Grant read or write access to a managed disk (for export):
+
+`az disk grant-access --resource-group {{resource_group}} --name {{disk_name}} --access-level {{Read|Write}} --duration-in-seconds {{seconds}}`
+
+- Update disk size:
+
+`az disk update --resource-group {{resource_group}} --name {{disk_name}} --size-gb {{new_size_in_gb}}`